// javascript模块化
var seckill = {
    // 封装秒杀相关的ajax的url
    URL: {
        now: function () {
            return '/seckill/time/now';
        },
        exposer: function (seckillId) {
            return '/seckill/' + seckillId + '/exposer';
        },
        execution: function (seckillId, md5) {
            return '/seckill/' + seckillId + '/' + md5 + '/execution';
        }
    },
    handleSeckillKill: function (seckillId, node) {
        node.hide()
            .html('<button class="btn btn-primary btn-lg" id="killBtn">开始秒杀</button>');
        $.post(seckill.URL.exposer(seckillId), {}, function (result) {
            // 在回调函数中执行交互流程
            if(result && result['success']) {
                var exposer = result['data'];
                if(exposer['exposed']) {
                    // 开启秒杀
                    var md5 = exposer['md5'];
                    var killUrl = seckill.URL.execution(seckillId, md5);
                    console.log("killUrl:" + killUrl);
                    // 绑定一次点击事件
                    $('#killBtn').one('click', function () {
                        // 执行秒杀请求操作
                        // 1.先禁用按钮
                        $(this).addClass('disabled');
                        $.post(killUrl, {}, function (result) {
                            console.log(result);
                            if(result && result['success']) {
                                var killResult = result['data'];
                                var state = killResult['state'];
                                var stateInfo = killResult['stateInfo'];
                                node.html('<span class="label label-success">'+ stateInfo + '</span>')
                            }
                        });
                    });
                    node.show();
                } else {
                    // 未开启秒杀
                    var now = exposer['now'];
                    var start = exposer['start'];
                    var end = exposer['end'];
                    seckill.countdown(seckillId, now, start, end);
                }
            } else {
                console.log("result" + result);
            }
        })
    },
    validatePhone: function (phone) {
        if(phone && phone.length == 11 && !isNaN(phone)) {
            return true;
        } else {
            return false;
        }
    },
    countdown: function (seckillId, nowTime, startTime, endTime) {
        var seckillBox = $('#seckill-box');
        // 时间判断
        if(nowTime > endTime) {
            // 秒杀结束
            seckillBox.html('秒杀结束!');
        } else if(nowTime < startTime) {
            // 秒杀未开始, 计时
            var killTime = new Date(startTime + 1000);
            seckillBox.countdown(killTime, function (event) {
                var format = event.strftime('秒杀倒计时：%D天 %H时 %M分 %S秒');
                seckillBox.html(format);
            }).on('finish.countdown', function () {
                seckill.handleSeckillKill(seckillId, seckillBox);
            })
        } else {
            // 秒杀开始
            seckill.handleSeckillKill(seckillId, seckillBox);
        }
    },
    // 详情页秒杀逻辑
    detail: {
        // 详情页初始化
        init: function (params) {
            // 手机验证和登录, 计时交互
            // 在cookie中查找手机号
            var killPhone = $.cookie('killPhone');
            var startTime = params['startTime'];
            var endTime = params['endTime'];
            var seckillId = params['seckillId'];

            // 验证手机号
            if(!seckill.validatePhone(killPhone)) {
                // 绑定phone
                // 控制输出
                var killPhoneModal = $('#killPhoneModal');
                killPhoneModal.modal({
                    show: true, // 显示弹出层
                    backdrop: 'static', // 禁止位置关闭
                    keyboard: false // 关闭键盘事件
                });
                $('#killPhoneBtn').click(function () {
                    var inputPhone = $('#killPhoneKey').val();
                    if(seckill.validatePhone(inputPhone)) {
                        // 电话写入cookie
                        $.cookie('killPhone', inputPhone, {expires:7, path:'/seckill'})
                        // 刷新页面
                        window.location.reload();
                    } else {
                        $('#killPhoneMessage').hide().html('<label class="label label-danger">手机号错误!</label>').show(300);
                    }
                })
            }

            // 计时交互
            $.get(seckill.URL.now(), {}, function (result) {
                if(result && result['success']) {
                    var nowTime = result['data'];
                    // 时间判断, 计时交互
                    seckill.countdown(seckillId, nowTime, startTime, endTime);
                } else {
                    console.log("result:" + result)
                }
            })
        }
    }
};